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What is the website ilovepdf for?

The best web site scanner is a static analysis code scanner. I am not biased in this regard because my company provides both dynamic web site scanning and static code analysis. We sell both for a single price and you are free to use one or the other. Static code analysis has the benefit of inspecting the code the web site is running on. This gives the inspection for vulnerabilities 100% code coverage. A major problem with dynamic web site scanning is code coverage. If you are covering 50-60% of the code base you are missing a huge number of vulnerabilities. The more complex the UI for your Web 2.0 AJAX app is the less likely you will get dynamic coverage. Some static analysis scanners for the languages and platforms that web apps are written on are. Veracode (disclaimer. my company), IBM AppScan, HP Fortify, and Coverity. Microsoft has FXCop if you are using .NET. You might be thinking there must be some downsides to static code analysis. Everyone is doing dynamic web scanning. Yes, this is true. There are some advantages to dynamic scanning. One is the environment the web app is running in is taken into account. Any mitigations at the network or host level that would block an attacker from reaching some otherwise bad code will be part of the analysis. This will reduce false positives that are issues that the static code analysis will report. I like to say the ratio of actionable vulnerabilities will be higher with dynamic web scanning. But if you are after the best security you will take this downside of static scanning so you can find all the vulnerabilities. There is one more downside to static code analysis. It must understand the language/platform you are coding on. Perhaps you are using Ruby or a fairly new language. You have to make sure your static analyzer supports that. Dynamic web scanning has no such limitation. If it is a web app it can scan it. A big benefit of static code analysis is you don't need to wait until the application is deployed in a staging environment with test data. You can just test the code. This makes finding vulnerabilities faster and cheaper. I usually recommend both types of scans; static during implementation and dynamic once the web app can be deployed in a staging environment. But if I had the budget and time to pick one it would be static code analysis.

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I know many business owners that rely on static web scanning for web apps because it saves them time. They will wait for the code to be published to their production staging environment. And they can find those vulnerabilities before a user is exposed. In fact, this has already happened! Some companies I know just publish to production with some static analysis disabled and do a dynamic scan. This will show false positive rates on application vulnerabilities. This is because application security is a constant battle. When testing your application there is always one point in time when there is a vulnerability. When that time happens it is difficult to detect it, especially if there are false positives.   I have a blog post on this topic if you need more information. This post was written on August 11, 2007, and is current.